研究目的
Investigating the design and performance of a dual-band low-profile substrate integrated waveguide (SIW) dual-dumbbell-shaped-slot-fed (DDSSF) patch antenna for modern wireless communications.
研究成果
The proposed dual-wide-band SIW DDSSF patch antenna achieves independent dual-band operation with improved cross-polarization level, maintaining advantages such as light weight, low fabrication cost, and easy integration with planar circuits.
研究不足
The study focuses on the design and performance of a specific antenna configuration, and potential areas for optimization include further bandwidth enhancement and size reduction.
1：Experimental Design and Method Selection:
The antenna is designed using a dual-dumbbell-slot feeding structure in SIW and two patches to radiate, achieving two passbands by exciting two modes of dual dumbbell-shaped slots (DDSSs).
2：Sample Selection and Data Sources:
A prototype antenna was fabricated and measured using RT/duroid5880 with specific parameters.
3：List of Experimental Equipment and Materials:
RT/duroid5880 substrate with εr =
4：2, tan δ = 0009, and thickness h = 575 mm. Experimental Procedures and Operational Workflow:
The antenna's performance was evaluated through simulation and measurement, focusing on impedance bandwidth, gain, and cross-polarization level.
5：Data Analysis Methods:
The results were analyzed to confirm the antenna's dual-band operation and low cross-polarization level.
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